Link's First Custom Cube: Virtual Booster

Singularity    R  Enchantment When Singularity enters the battlefield, exile all other nonland permanents until Singularity leaves the battlefield.	No more uncommons	No more uncommons	No more uncommons	Mystic Faerie    C  Creature – Faerie Flying Enlighten — Whenever you draw a card, Mystic Faerie gets +1/+1 until end of turn. 0/1
Caller of Heroes    C  Creature Whenever you cast a legendary spell or a planeswalker spell, put a +1/+1 counter on Caller of Heroes. Legendary spells and planeswalkers spells you cast cost less to cast for each +1/+1 counter on Caller of Heroes. 1/1	Diajol, Crimson Mentor    C  Legendary Creature – Efreet : Target creature gains your choice of haste, first strike, trample, menace, or faze until end of turn. (Use power rather than toughness to determine whether lethal damage has been dealt to creatures marked with faze damage.) : Target creature gets +1/+0 until end of turn. 1/2	Twist Bug    C  Creature – Insect Whenever Twist Bug deals damage to a player, that player discards that many cards at random, then draws a card for each card discarded this way. 2/1	Rotting Cavern    C  Land – Swamp Mountain (: Add or to your mana pool.) When Rotting Cavern enters the battlefield, sacrifice it unless you pay .	Moaning Wind    C  Sorcery Create a 1/1 black and white Spirit creature token. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) If you discarded a Swamp to cast Moaning Wind, each opponent loses 1 life.
Vanguard of the Small    C  Creature – Angel Flying, vigilance You may cast creature cards with power 2 or less as though they had flash. 2/4	Tsemone of the Void    C  Planeswalker – Tsemone +1 Put a 1/1 colorless Other creature token with flying onto the battlefield. -2 Each player sacrifices a nonland permanent. -5 For each player, return target permanent card from that player's graveyard to the battlefield under your control. 2	Tamiyo's Calligraphy Pen    C  Artifact , Tap an untapped creature you control: Target player puts the top card of his or her library into his or her graveyard. : Draw a card. Each creature you tap while activating this ability pays for or one mana of that creature's color.	Kurndesh of the Hills    C  Legendary Creature – Giant First strike When Kurndesh of the Hills enters the battlefield, it deals 4 damage to each nonlegendary creature. Other legendary creatures you control get +2/+0 and have first strike. 6/4	Foremost Riddler    C  Creature – Sphinx Flying Enlighten — Foremost Riddler costs less to cast for each card you've drawn this turn. Whenever a Sphinx creature you control becomes blocked, you Gain a victory counter. (A player with 10 or more victory counters wins the game.) 4/3

Singularity (rare)
Mystic Faerie (common)
Caller of Heroes (common)
Diajol, Crimson Mentor (common)
Twist Bug (common)
Rotting Cavern (common)
Moaning Wind (common)
Vanguard of the Small (common)
Tsemone of the Void (common)
Tamiyo's Calligraphy Pen (common)
Kurndesh of the Hills (common)
Foremost Riddler (common)